Dr Esho gets to work with his laser and assures Sun reporter Alison the burning smell is nothing to worry about it

“The smell of burning is not your skin,” he reassures me. “It’s the tiny little hairs on your face.”

The £400 treatment is designed to take off the top layer of skin and increase the collagen in the face, and Dr Esho tells me it’s a popular treatment for celebrities who are about to hit the red carpet.

He said: “This is something that literally anyone can get done in a lunch hour. It plumps the skin, tightens the skin and increases the collagen.

“This is the kind of thing you would have a day or two before any event.”

Despite the smell, the treatment produces no more than a mild tingle in the skin and, after 20 minutes, Dr Esho finishes off the process by putting me in a mask that makes me look something out of I Robot but was actually a Neoelegance LED mask – usually around £200 for a single session.

Unlike most of the customers who wander into the pop up parlour, I had little more than the aging process to worry about.

Other cases are more tragic – including the victim of an acid attack in a nightclub who Dr Esho was able to help in the healing process with the revolutionary blood-spinning treatment known as a “vampire facial.”

There are also celeb clients this year – with reality star Bear opening up about his acne scars and seeking help.

Dr Esho said: “It’s great to help people with scars and flaws that are blighting their lives. It makes a huge difference to them.”

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The treatment chair, the hairdresser’s chair and the make up section are all set up next to each other in a surprisingly tiny studio, so I didn’t have far to go for hair guru Daniel Granger – who is next in my makeover line.

For Daniel, series two had had plenty of memorable moments.

He told me: “Every single story this year has an emotional background. We had one girl with alopecia and that was really emotional. We made her a really good wig and she was so overwhelmed.

“There was another girl on the show who hadn’t brushed her hair for years and it was a thick matted mess.

“It had started as a small knot and she was frightened of pulling her hair out and so she stopped brushing and it snowballed from there.

“Deep down she didn’t want to live like that but she was so scared of going anywhere else where they didn’t know what they were doing so it got out of hand. What we did for her will take your breath away.

“There was also a girl who had melted her hair off and she was an extreme character, but we gave her a massive new look and she was really grateful.”

Daniel, whose Northampton business won Salon of the Year last year, asked me a few questions before snipping away at my hair.

The big reveal … Alex, dr Esho, Alison and Daniel after the makeover is complete

“She didn’t know how to do hair and make up because, growing up as a boy, she had never had the chance to do make up with her girlfriends and learn what suited her, so we had to give her that. I think we gave her a real female look and identity.

“I felt like she had seen herself properly for the first time and it all came together and I think that’s what did it. She loved it.”

Alex also revealed that his tutorials carry on long after the cameras stop rolling.

He said: “Sometimes we haven’t got time to teach them everything on camera so we spend some one to one time with them backstage, and that’s when they often come out of the shell.

“We give them a print out of the products , we use before they go so they can get the look.”

He added that it’s not just the subjects of their makeovers that get nervous when the full-length mirror is unveiled for the big reveal.

“We have to show them the results at the end, which is nerve-wracking, and the pressure is on.

“But we haven’t had a bad reaction yet.”

While I was being made up, Alex provided me with tips and advice, including the one make up stage he NEVER skips.

“Always use a primer,” he said. “Skin prep is the most important thing for good make up.”

He also said you are never too old, to too expert, to learn new tricks from others.

He said: “There’s no wrong way of doing make up. Just because I do it one way and you do it another, that doesn’t make you wrong.

“But you can learn from other people’s methods and even I sometimes watch Instagram videos for tips.”

When the job is done , the moment of truth arrives, and as I face the familiar Body Fixers mirror I find I’m as nervous as the show’s real customers.

But, when the mirror is finally revealed I couldn’t be happier – and instantly booked a night out.

If only I could take the talented trio home with me.

Tonight’s Body Fixers includes the incredible moment a lad revealed his real hairstyle, after hiding it under a bandana because he was ashamed of his bald patches.